##-*****************************************************************************
##
## Copyright (c) 2009-2011,
##  Sony Pictures Imagworks Inc. and
##  Industrial Light & Magic, a division of Lucas Entertainment Company Ltd.
##
## All rights reserved.
##
## Redistribution and use in source and binary forms, with or without
## modification, are permitted provided that the following conditions are
## met:
## *       Redistributions of source code must retain the above copyright
## notice, this list of conditions and the following disclaimer.
## *       Redistributions in binary form must reproduce the above
## copyright notice, this list of conditions and the following disclaimer
## in the documentation and/or other materials provided with the
## distribution.
## *       Neither the name of Industrial Light & Magic nor the names of
## its contributors may be used to endorse or promote products derived
## from this software without specific prior written permission.
##
## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
## "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
## LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
## A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
## OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
## LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
## DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
## THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
## (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
## OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
##
##-*****************************************************************************

# these must be defined on the command line or in the CMake GUI, otherwise we resort to the FindPackage version

SET( ZLIB_FOUND TRUE )

IF(DEFINED ZLIB_INCLUDE_DIR)
    MESSAGE(STATUS "Using ZLIB_INCLUDE_DIR: ${ZLIB_INCLUDE_DIR}" )
    SET( ZLIB_FOUND FALSE )
ENDIF()

IF(DEFINED ZLIB_LIBRARY)
    MESSAGE(STATUS "Using ZLIB_LIBRARY: ${ZLIB_LIBRARY}" )
ELSE()
    SET( ZLIB_FOUND FALSE )
ENDIF()


IF( NOT ZLIB_FOUND )
    FIND_PACKAGE(ZLIB REQUIRED)
ENDIF()

IF( ZLIB_FOUND )
  SET( ALEMBIC_ZLIB_INCLUDE_PATH ${ZLIB_INCLUDE_DIR} )
  SET( ALEMBIC_ZLIB_LIBS ${ZLIB_LIBRARY} )
  SET( ALEMBIC_ZLIB_FOUND TRUE )

  MESSAGE(STATUS "ZLIB INCLUDE PATH: ${ALEMBIC_ZLIB_INCLUDE_PATH}" )
  MESSAGE(STATUS "ZLIB LIBRARIES: ${ALEMBIC_ZLIB_LIBS}" )

  MESSAGE(STATUS "Found ZLIB Library!" )
ELSE()
  SET( ALEMBIC_ZLIB_FOUND FALSE )
  SET( ALEMBIC_ZLIB_LIBS NOTFOUND )
  MESSAGE(STATUS "Disabling ZLIB Library!" )
ENDIF( )
